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The PCM1718 is a complete low cost stereo, audiodigital-to-analog converter, including digital interpo-lation filter, 3rd-order delta-sigma DAC, and analogoutput amplifiers. PCM1718 is fabricated on a highlyadvanced 0.6µ CMOS process. PCM1718 accepts 18-bit normal input data format, or 16- or 18-bit I2S dataformat.
The digital filter performs an 8X interpolation func-tion, as well as special functions such as soft mute anddigital de-emphasis.PCM1718 is suitable for a wide variety of cost-sensitiveconsumer applications where good performance is re-quired. Its low cost, small size, and single power supplymake it ideal for BS tuners, keyboards, MPEG audio,PCMCIA audio cards (ZV port), MIDI applications,and set-top boxes.
PCM1718E Maximum Ratings
Power Supply Voltage ........................................................................ +6.5V +VCC to +VDD Difference ................................................................... ±0.1V Input Logic Voltage .................................................. 0.3V to (VDD + 0.3V) Power Dissipation ............................................................................ 200mW Operating Temperature Range ........................................25°C to +85°C Storge Temperature ......................................................55°C to +125°C Lead Temperature (soldering, 5s) .................................................. +260°C Thermal Resistance, JA................................................................. +70°C/W
PCM1718E Features
l ACCEPTS 16- or 18-BIT I2S, OR 18-BITNORMAL INPUT DATA COMPLETE STEREO DAC:8X Oversampling Digital FilterMulti-Level Delta-Sigma DACAnalog Low Pass FilterOutput Amplifier HIGH PERFORMANCE:90dB THD+N96dB Dynamic Range100dB SNR SYSTEM CLOCK: 256fs or 384fs WIDE POWER SUPPLY: +2.7V to +5.5V SELECTABLE FUNCTIONS:Soft MuteDigital De-emphasis SMALL 20-PIN SSOP PACKAGE